Descriptions:* Made of stainless steel, sturdy and durable for use. One-piece , it has smooth surface and not easy to break.* Fit for 5mm shelf holes on cabinets. Install them by hands without any tools. Rubber sleeve for more smooth and secure fixing.* Suitable for cabinet, bookshelf, display cabinet, furniture, wardrobe, closet, cupboard, bookcase, pantry shelving, etc. Specifications: * Color: Silver Tone* Material: Stainless Steel, Rubber* Bracket Peg Diameter: 5mm / 0.2-inch* Bracket Peg Length: 25mm / 1-inch* Diameter Max.: 8mm / 0.28-inch* Rubber Sleeve External Size: 8 x 12mm / 0.31-inch x 0.47-inch(D*L) Package Content: * 20 x Shelf Bracket Pegs Steps for usage:1. Use a electric drill to punch, please use the 5mm bit.2. Put the shelf pin into the hole. If the hole diameter is bigger then the shelf pin, please wrap a circle around it.3. Place the clapboard on the shelf pin.